CN109277002B - Manufacturing equipment and process of modular ultrafiltration membrane - Google Patents
Manufacturing equipment and process of modular ultrafiltration membrane Download PDFInfo
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- CN109277002B CN109277002B CN201811053851.7A CN201811053851A CN109277002B CN 109277002 B CN109277002 B CN 109277002B CN 201811053851 A CN201811053851 A CN 201811053851A CN 109277002 B CN109277002 B CN 109277002B
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- bath
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
- B01D69/085—Details relating to the spinneret
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/42—Details of membrane preparation apparatus
Abstract
The invention discloses equipment and a process for manufacturing a modular ultrafiltration membrane, and belongs to the technical field of manufacturing of ultrafiltration membranes. The manufacturing equipment comprises a wire outlet module, a membrane liquid coating module, an air bath module, a coagulation bath module and a power wire winding module which are sequentially adjacent, wherein the air bath module and the coagulation bath module are connected with a control module. The invention has the beneficial effects that: the influence of the external environment on the membrane preparation is reduced, and the stability of the performance of the finished membrane yarn is ensured.
Description
Technical Field
The invention relates to ultrafiltration membrane manufacturing equipment and process, belonging to the technical field of ultrafiltration membrane manufacturing.
Background
In the prior art, dry-wet spinning is usually adopted to manufacture the hollow fiber ultrafiltration membrane, the membrane manufacturing equipment adopted by the method has unchangeable process parameters, the membrane manufacturing process is greatly influenced by the environment, and when the environment changes, the performance of the membrane yarn also changes, so that the performance of the finished membrane yarn is unstable.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide manufacturing equipment and a manufacturing process of a modular ultrafiltration membrane, which can change the technological parameters of membrane preparation according to environmental changes and ensure the stable performance of finished membrane wires.
The technical scheme of the invention is as follows: a manufacturing device of a modular ultrafiltration membrane comprises a filament outlet module, a membrane liquid coating module, an air bath module, a coagulation bath module and a power filament winding module which are adjacent in sequence, wherein the air bath module and the coagulation bath module are connected with a control module; the film liquid coating module comprises a film liquid storage tank, wherein the film liquid storage tank is connected with a jet pump, and the jet pump is connected with a spinning jet; the air bath module comprises a cavity with a fixed size, a telescopic corrugated pipe is communicated with the outer side of the cavity, the other end of the corrugated pipe is fixed at a through hole on the push plate, two ends of the hydraulic telescopic rod are respectively connected with the side wall of the cavity and the push plate, and a temperature and humidity sensor, a temperature adjusting unit and a humidity adjusting unit are arranged in the cavity; the coagulating bath module includes, and one end is connected in the coagulating bath groove of the through-hole department in the push pedal, coagulating bath groove one side is equipped with fixed stop, the opposite side is equipped with adjustable fender, and coagulating bath inslot is equipped with a plurality of slots, adjustable fender through with a plurality of the bayonet cooperation of slot changes coagulating bath groove's effective use length, coagulating bath groove fixes on the mobile box body, be equipped with coagulating bath liquid case in the mobile box body, coagulating bath liquid case passes through liquid supply pipeline connection coagulating bath groove, be connected the backward flow pipeline between coagulating bath groove and coagulating bath liquid case, be equipped with the backwash pump on the backward flow pipeline, be equipped with heater strip and temperature sensor in the coagulating bath groove.
And a filter is arranged between the membrane liquid storage tank and the injection pump.
The corrugated pipe is a rubber corrugated pipe.
The bottom of the movable box body is provided with a roller for moving.
The wire outlet module comprises a wire outlet machine, and the power wire winding module comprises a power wire winding device.
The distance between the adjacent slots is 50 mm.
The control module is provided with a central control cabinet with an internal control system, and the temperature and humidity sensor, the temperature adjusting unit, the humidity adjusting unit, the hydraulic telescopic rod, the heating wire and the temperature sensor are all connected with the control system in the central control cabinet.
The invention also claims a manufacturing process of the modularized ultrafiltration membrane, which comprises a step S1 of controlling the temperature and the humidity of the cavity of the air bath module, a step S2 of adjusting the length of the corrugated pipe in a telescopic way, a step S3 of adjusting the effective use length of the coagulation bath module, and a step S4 of adjusting the temperature of the coagulation bath.
The step S1) is specifically: the control system compares implementation feedback data of the temperature and humidity sensor with set data, and sends instructions to the temperature adjusting unit and the humidity adjusting unit according to the comparison result, and the temperature adjusting unit and the humidity adjusting unit start and stop according to the instructions to adjust the temperature and the humidity in the cavity;
the step S2) is specifically: the control system determines the expansion amount of the hydraulic telescopic rod according to the length of the corrugated pipe for the air bath required by the membrane wire manufacturing, the expansion amount data instruction is sent to the hydraulic telescopic rod, and the hydraulic telescopic rod executes the change of the corresponding expansion amount according to the instruction requirement to drive the corrugated pipe to expand to the preset length.
The step S3) is specifically: inserting the movable baffle into the slot at the corresponding position on the coagulating bath tank according to the requirement on the effective use length of the coagulating bath tank, wherein the distance between the movable baffle and the fixed baffle is the effective use length of the coagulating bath tank after adjustment;
the step S4) is specifically: the temperature sensor feeds back the temperature data of the coagulation liquid in the coagulation bath tank to the control system in real time, the control system compares the feedback data with the set data, and sends an instruction to the heating wire according to the comparison result to control the heating power of the heating wire, so that the temperature of the coagulation liquid in the coagulation bath tank is adjusted.
The invention has the beneficial effects that: the temperature, the humidity and the length of the air bath module can be adjusted, so that the action temperature and the action duration of the membrane filaments in the air bath module can be adjusted; the temperature of the solidification liquid of the solidification bath module is adjusted by adjusting the power of the heating wire; the acting time of the membrane filaments in the coagulating liquid is adjusted by adjusting the effective using length of the coagulating bath. Through the active adjustment of the process parameters, the influence of the external environment on film making is reduced, and the stability of the performance of the finished film yarn is ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures are as follows: 1. the device comprises a silk outlet machine, 2, a spinning nozzle, 3, a jet pump, 4, a filter, 5, a membrane liquid storage tank, 6, a temperature and humidity sensor, 7, a temperature adjusting unit, 8, a humidity adjusting unit, 9, a hydraulic telescopic rod, 10, a corrugated pipe, 11, a roller, 12, a reflux pump, 13, a heating wire, 14, a temperature sensor, 15, a fixed baffle, 16, a movable baffle, 17, a coagulation bath liquid box, 18, a power silk winding device, 19, a central control cabinet, 20, a cavity, 21, a movable box body, 22, a push plate, 23 and a coagulation bath.
Detailed Description
The invention is further illustrated with reference to figure 1:
a manufacturing device of a modular ultrafiltration membrane comprises a filament outlet module, a membrane liquid coating module, an air bath module, a coagulation bath module and a power filament winding module which are adjacent in sequence, wherein the air bath module and the coagulation bath module are connected with a control module; the filament outlet module comprises a filament outlet machine 1 which is used for supplying filaments for a system and is used as a carrier base film for coating a film liquid, and the power filament winding module comprises a power filament winding device 18 which is used for collecting finished film filaments; the membrane liquid coating module comprises a membrane liquid storage tank 5, wherein the membrane liquid storage tank 5 is connected with an injection pump 3, a filter 4 is arranged between the membrane liquid storage tank 5 and the injection pump 3, impurities in the membrane liquid are filtered, and the injection pump 3 is connected with a spinning nozzle 2, so that the membrane liquid is coated on a carrier base membrane; the air bath module comprises a cavity 20 with a fixed size, the outer side of the cavity 20 is communicated with a telescopic corrugated pipe 10, the corrugated pipe 10 is a rubber corrugated pipe, the other end of the corrugated pipe 10 is fixed at a through hole on a push plate 22, two ends of a hydraulic telescopic rod 9 are respectively connected with the side wall of the cavity 20 and the push plate 22, the telescopic action of the hydraulic telescopic rod 9 is used for driving the telescopic corrugated pipe to stretch, so that the running time of a membrane wire in the air bath module is changed, and a temperature and humidity sensor 6, a temperature adjusting unit 7 and a humidity adjusting unit 8 are arranged in the cavity 20, so that the temperature and humidity adjustment in the cavity 20 is realized; the coagulation bath module comprises a coagulation bath tank 23 with one end connected with a through hole on a push plate 22, wherein one side of the coagulation bath tank 23 is provided with a fixed baffle 15, the other side of the coagulation bath tank 23 is provided with a movable baffle 16, a plurality of slots are arranged in the coagulation bath tank 23, the distance between the adjacent slots is 50mm, the movable baffle 16 is in plug-in fit with the slots to change the effective use length of the coagulation bath tank 23 and change the extension length of coagulation liquid in the coagulation bath tank 23 so as to change the operation time of membrane wires in the coagulation liquid, the coagulation bath tank 23 is fixed on a movable box body 21, the bottom of the movable box body 21 is provided with a roller 11 for movement, the movable box body 21 moves along with the expansion and contraction of a rubber corrugated pipe, a coagulation bath liquid tank 17 is arranged in the movable box body 21, the coagulation bath liquid tank 17 is connected with the coagulation bath tank 23 through a liquid supply pipeline, and a return pipeline is connected between the coagulation bath tank 23 and the coagulation bath liquid tank 17, the reflux pump 12 is arranged on the reflux pipeline, the heating wire 13 and the temperature sensor 14 are arranged in the coagulating bath tank 23, and the heating wire 13 changes the heating power according to the instruction and adjusts the temperature of the coagulating liquid. The control module comprises a central control cabinet 19 with a built-in control system, the temperature and humidity sensor 6, the temperature adjusting unit 7, the humidity adjusting unit 8, the hydraulic telescopic rod 9, the heating wire 13 and the temperature sensor 14 are all connected with the control system in the central control cabinet 19, and membrane making process parameters are changed through the control system.
The manufacturing process of the modularized ultrafiltration membrane comprises a step S1 of controlling the temperature and humidity of the cavity 20 of the air bath module, a step S2 of adjusting the length of the corrugated pipe 10 in a telescopic way, a step S3 of adjusting the effective use length of the coagulation bath 23 of the coagulation bath module, and a step S4 of adjusting the temperature of the coagulation bath 23.
The step S1) is specifically: the control system compares implementation feedback data of the temperature and humidity sensor with set data, sends instructions to the temperature adjusting unit 7 and the humidity adjusting unit 8 according to the comparison result, and the temperature adjusting unit 7 and the humidity adjusting unit 8 start and stop according to the instructions to adjust the temperature and the humidity in the cavity 20;
the step S2) is specifically: the control system determines the expansion amount of the hydraulic telescopic rod 9 according to the length of the bellows 10 for the air bath required by the film filament manufacturing, sends an expansion amount data instruction to the hydraulic telescopic rod 9, the hydraulic telescopic rod 9 executes the change of the corresponding expansion amount according to the instruction requirement to drive the bellows 10 to expand to the preset length, and the length of the bellows 10 is changed due to the fact that the film filament running speed is constant, namely the running time of the film filament in the bellows 10, namely the air bath module, is changed.
The step S3) is specifically: according to the requirement on the effective use length of the coagulation bath 23, inserting the movable baffle 16 into a slot at a corresponding position on the coagulation bath 23, wherein the distance between the movable baffle 16 and the fixed baffle 15 is the effective use length of the coagulation bath 23 after adjustment, and the membrane-forming liquid is positioned between the movable baffle 16 and the fixed baffle 15, so that the extension length of the membrane-forming liquid is adjusted, and the contact time of membrane filaments and the membrane-forming liquid is further realized;
the step S4) is specifically: the temperature sensor 14 feeds back the temperature data of the coagulation liquid in the coagulation bath 23 to the control system in real time, the control system compares the feedback data with the set data, sends an instruction to the heating wire 13 according to the comparison result, controls the heating power of the heating wire 13, realizes the adjustment of the temperature of the coagulation liquid in the coagulation bath 23, and changes the contact temperature of the membrane wire and the coagulation liquid.
Through the active adjustment of the process parameters, the influence of the external environment on film making is reduced, and the stability of the performance of the finished film yarn is ensured.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The manufacturing equipment of the modular ultrafiltration membrane is characterized by comprising a filament outlet module, a membrane liquid coating module, an air bath module, a coagulation bath module and a power filament winding module which are sequentially adjacent, wherein the air bath module and the coagulation bath module are connected with a control module; the film liquid coating module comprises a film liquid storage tank (5), wherein the film liquid storage tank (5) is connected with a jet pump (3), and the jet pump (3) is connected with a spinning nozzle (2); the air bath module comprises a cavity (20) with a fixed size, the outer side of the cavity (20) is communicated with a telescopic corrugated pipe (10), the other end of the corrugated pipe (10) is fixed at a through hole on a push plate (22), two ends of a hydraulic telescopic rod (9) are respectively connected with the side wall of the cavity (20) and the push plate (22), and a temperature and humidity sensor (6), a temperature adjusting unit (7) and a humidity adjusting unit (8) are arranged in the cavity (20); the coagulating bath module comprises a coagulating bath (23) with one end connected with a through hole on the push plate (22), a fixed baffle (15) is arranged on one side of the coagulating bath groove (23), a movable baffle (16) is arranged on the other side of the coagulating bath groove, a plurality of slots are arranged in the coagulating bath groove (23), the movable baffle (16) is matched with the slots in an inserting way to change the effective use length of the coagulating bath groove (23), the coagulating bath (23) is fixed on a movable box body (21), a coagulating bath liquid box (17) is arranged in the movable box body (21), the coagulating bath tank (17) is connected with a coagulating bath (23) through a liquid supply pipeline, a return pipeline is connected between the coagulation bath (23) and the coagulation bath liquid tank (17), be equipped with backwash pump (12) on the back flow path, be equipped with heater strip (13) and temperature sensor (14) in coagulating bath (23).
2. The modular ultrafiltration membrane manufacturing apparatus according to claim 1, wherein a filter (4) is provided between the membrane liquid storage tank (5) and the jet pump (3).
3. The modular ultrafiltration membrane manufacturing apparatus of claim 1, wherein said bellows (10) is a rubber bellows.
4. The modular ultrafiltration membrane manufacturing apparatus according to claim 1, wherein the bottom of the moving box (21) is provided with rollers (11) for movement.
5. The apparatus for manufacturing modular ultrafiltration membranes according to claim 1, wherein said filament output module comprises a filament output machine (1) and said powered filament winding module comprises a powered filament winding device (18).
6. The apparatus of claim 1, wherein adjacent slots are spaced 50mm apart.
7. The modular ultrafiltration membrane manufacturing equipment according to claim 1, wherein the control module comprises a central control cabinet (19) with a built-in control system, and the temperature and humidity sensor (6), the temperature regulating unit (7), the humidity regulating unit (8), the hydraulic telescopic rod (9), the heating wire (13) and the temperature sensor (14) are connected with the control system in the central control cabinet (19).
8. The process for producing an ultrafiltration membrane using the apparatus for producing a modular ultrafiltration membrane according to claim 1, comprising a step S1 of controlling the temperature and humidity of the cavity (20) of the air bath module, a step S2 of adjusting the length of the bellows (10) in an extensible manner, a step S3 of adjusting the effective usable length of the coagulation bath (23) of the coagulation bath module, and a step S4 of adjusting the temperature of the coagulation bath (23).
9. The manufacturing process of the modular ultrafiltration membrane of claim 8, wherein the step S1) is specifically: the control system compares implementation feedback data of the temperature and humidity sensor with set data, sends instructions to the temperature adjusting unit (7) and the humidity adjusting unit (8) according to comparison results, and the temperature adjusting unit (7) and the humidity adjusting unit (8) start and stop according to the instructions to adjust the temperature and the humidity in the cavity (20);
the step S2) is specifically: the control system determines the telescopic amount of the hydraulic telescopic rod (9) according to the length of the corrugated pipe (10) for the air bath required by the membrane wire manufacturing, sends a telescopic amount data instruction to the hydraulic telescopic rod (9), and the hydraulic telescopic rod (9) executes the change of the corresponding telescopic amount according to the instruction requirement to drive the corrugated pipe (10) to stretch to the preset length.
10. The manufacturing process of the modular ultrafiltration membrane of claim 8, wherein the step S3) is specifically: according to the requirement on the effective use length of the coagulation bath (23), inserting the movable baffle (16) into a slot at a corresponding position on the coagulation bath (23), wherein the distance between the movable baffle (16) and the fixed baffle (15) is the effective use length of the coagulation bath (23) after adjustment;
the step S4) is specifically: the temperature sensor (14) feeds back the temperature data of the coagulation liquid in the coagulation bath (23) to the control system in real time, the control system compares the feedback data with the set data, and sends an instruction to the heating wire (13) according to the comparison result to control the heating power of the heating wire (13), thereby realizing the adjustment of the temperature of the coagulation liquid in the coagulation bath (23).
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| CN201811053851.7A CN109277002B (en) | 2018-09-11 | 2018-09-11 | Manufacturing equipment and process of modular ultrafiltration membrane |
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| CN201811053851.7A CN109277002B (en) | 2018-09-11 | 2018-09-11 | Manufacturing equipment and process of modular ultrafiltration membrane |
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| CN109277002A CN109277002A (en) | 2019-01-29 |
| CN109277002B true CN109277002B (en) | 2021-07-20 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2736992B2 (en) * | 1989-03-22 | 1998-04-08 | 旭化成工業株式会社 | Polysulfone hollow fiber membrane and method for producing the same |
| CN102560902A (en) * | 2012-01-12 | 2012-07-11 | 天津工业大学 | Method for producing viscose cellulose spun-laid nonwoven |
| CN103272492A (en) * | 2013-06-19 | 2013-09-04 | 天津工业大学 | Enhanced-cellulose hollow fiber membrane and preparation method thereof |
| CN105749758A (en) * | 2016-03-28 | 2016-07-13 | 南京工业大学 | Coating and coagulating device and method for preparing liner-enhanced type hollow fiber composite membranes |
| CN107376649A (en) * | 2017-08-30 | 2017-11-24 | 碧菲分离膜（大连）有限公司 | The membrane equipment of the reinforced milipore filter of high flux |
| CN206902296U (en) * | 2017-04-11 | 2018-01-19 | 天津万德高科环保科技有限公司 | A kind of dry-wet spinning coagulating tank |
| CN207452312U (en) * | 2017-11-02 | 2018-06-05 | 江苏德力化纤有限公司 | Special-shaped drafting silk preparation facilities |
-
2018
- 2018-09-11 CN CN201811053851.7A patent/CN109277002B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2736992B2 (en) * | 1989-03-22 | 1998-04-08 | 旭化成工業株式会社 | Polysulfone hollow fiber membrane and method for producing the same |
| CN102560902A (en) * | 2012-01-12 | 2012-07-11 | 天津工业大学 | Method for producing viscose cellulose spun-laid nonwoven |
| CN103272492A (en) * | 2013-06-19 | 2013-09-04 | 天津工业大学 | Enhanced-cellulose hollow fiber membrane and preparation method thereof |
| CN105749758A (en) * | 2016-03-28 | 2016-07-13 | 南京工业大学 | Coating and coagulating device and method for preparing liner-enhanced type hollow fiber composite membranes |
| CN206902296U (en) * | 2017-04-11 | 2018-01-19 | 天津万德高科环保科技有限公司 | A kind of dry-wet spinning coagulating tank |
| CN107376649A (en) * | 2017-08-30 | 2017-11-24 | 碧菲分离膜（大连）有限公司 | The membrane equipment of the reinforced milipore filter of high flux |
| CN207452312U (en) * | 2017-11-02 | 2018-06-05 | 江苏德力化纤有限公司 | Special-shaped drafting silk preparation facilities |
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| CN109277002A (en) | 2019-01-29 |
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